# Service bulletin 2400322

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10225391
- Published by NHTSA: 2022\-10\-31
- Manufacturer's number: 2400322
- Manufacturer's date: 2022\-08\-04
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

Poor A/C Performance This bulletin involves testing the A/C system and possibly replacing the A/C systemO\-Rings. The customer may describe the following: Poor A/C performance \(A/C does not cool down properly\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225391-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225391-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2022 ALFA ROMEO STELVIO

## Recalls for the same vehicles and component

- [2025533](/recalls/tc/2025533.md), 2025-10-07: Visual System

## Other bulletins for the same vehicles and component

- [2400623](/bulletins/10243271.md), 2023-10-02, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change
- [9100160](/bulletins/10241148.md), 2023-08-21, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. Power wndow switch passenger
- [9100142](/bulletins/10236969.md), 2023-05-30, Service bulletin: VISIBILITY:REARVIEW MIRRORS/DEVICES. Mirror
- [9100105](/bulletins/10230413.md), 2023-01-17, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. Seal, Sunroof
- [2400322](/bulletins/10229539.md), 2023-01-09, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Poor A/C Performance This bulletin involves testing the A/C system and possibly replacing the A/C systemO\-Rings. The customer may describe the following: Poor A/C performance \(A/C does not cool down properly\).
- [S2224000008](/bulletins/10221443.md), 2022-09-26, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. Customer Indicates AC Blows Warm Air
- [83674](/bulletins/10221381.md), 2022-09-26, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. CONTROL \- HVAC CONTROL
- [08\-111\-22](/bulletins/10214629.md), 2022-06-27, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Flash: Heating Ventilation and Air Conditioning \(HVAC\) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following:Heated rear seats and heated steering wheel do not activate upon remote start at temperatures below 5° C \(41° F\).

JSON: [/v1/bulletins/10225391](/v1/bulletins/10225391)

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